69242553 has 8 divisors (see below), whose sum is σ = 102581600. Its totient is φ = 46161684.

The previous prime is 69242549. The next prime is 69242567. The reversal of 69242553 is 35524296.

69242553 is a `hidden beast` number, since 69 + 2 + 42 + 553 = 666.

It is not a de Polignac number, because 69242553 - 2² = 69242549 is a prime.

It is a super-2 number, since 2×69242553² = 9589062291915618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69242543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282243 + ... + 1282296.

It is an arithmetic number, because the mean of its divisors is an integer number (12822700).

Almost surely, 2^69242553 is an apocalyptic number.

It is an amenable number.

69242553 is a deficient number, since it is larger than the sum of its proper divisors (33339047).

69242553 is a wasteful number, since it uses less digits than its factorization.

69242553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564548 (or 2564542 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 69242553 is about 8321.2110296519. The cubic root of 69242553 is about 410.6366333936.

The spelling of 69242553 in words is "sixty-nine million, two hundred forty-two thousand, five hundred fifty-three".